Add 5/7 and 63/72
5/7 + 63/72 is 89/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 7 × 72 = 504,
5/7 = 5 × 72/7 × 72 = 360/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
63/72 = 63 × 7/72 × 7 = 441/504 - Add the two like fractions:
360/504 + 441/504 = 360 + 441/504 = 801/504 - 801/504 simplified gives 89/56
- So, 5/7 + 63/72 = 89/56
In mixed form: 133/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/7+63/72 5/14+63/72 15/7+63/72 5/21+63/72 25/7+63/72 5/35+63/72 35/7+63/72 5/49+63/72